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Lec5(Practical) Computer Security-Safe Use

Learn how to set up and configure a firewall on your computer to protect it from attackers. Enable or disable programs, add exceptions for specific programs or ports, and learn about additional firewall settings through step-by-step tutorials.

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Lec5(Practical) Computer Security-Safe Use

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  1. Lec5(Practical)Computer Security-Safe Use Firewall Setting

  2. Setting up Firewall (On/Off) • Click start • Click control panel • Click security then; • Choose firewall The following windows appears:

  3. Setting up Firewall (On/Off)

  4. Setting up Firewall (On/Off)

  5. Setting up Firewall (On/Off)

  6. Setting up Firewall (On/Off) • It is recommended that you put your computer under firewall • Firewall/off cause computer to be vulnerable to attacker • “Block all incoming connections “ tick this when you are in less secure network • You still receive connection, but if firewall block any program notification appears on the screen

  7. Setting up Firewall (On/Off)

  8. Setting up Firewall (Enable/Disable program) • Tick the small box in front of the program you want to Enable/Disable • If you enable a program you can communicate with this program through any computer on the network or the internet. • If you disable a program you might prevent it from communicating outside computer. • See the picture bellow:

  9. Setting up Firewall (Enable/Disable program)

  10. Setting up Firewall (adding program to exceptions) • Use the last window to add a program to the list. • Choose • A list with your installed programs appears. • You can also click browse to choose from the disk. • You can delete a program .

  11. Setting up Firewall (adding program to exceptions)

  12. Setting up Firewall (adding port to exceptions) • Also you can add a port to be used. • You can add local area connection, to be protected by the firewall. • See the following pic:

  13. Setting up Firewall (protect/unprotect a network)

  14. Setting up Firewall (Tutorials) • Enable/Disable Bluetooth through firewall. • Enable/Disable MSN Messenger through firewall. • Add a port for a network printer through firewall. • Delete the port. • Could your system gives a notification when blocking a program.

  15. End

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